What should I do if the iPhone7 plus telecom card of the Bank of China can only surf the Internet and can't make phone calls and send text messages?

There are two possibilities, only surfing the Internet and not making phone calls:

1 The user's telecom card is an Internet card, so he can only surf the Internet and send short messages, but not make phone calls.

The mobile phone number can surf the internet but can't make a phone call. There is only one possibility that the network registered by the user's mobile phone is designated as 3G, and there is no connection.

2G network, solution:

(1) phone main menu selection settings.

(2) Select a mobile network.

(3) In the network type selection, select CDMA automatic.

If users can't find the relevant settings, they can go to the nearest telecom business hall to find staff to help users solve them.

iphone7？ A 1660？ A 1779？ A 1778

iphone7plus？ A 166 1？ A 1785？ A 1784

Non-bank network support departments and corresponding operators:

For example, there are two types of specifications and parameters of Apple's homepage in China Bank, Hongkong, the United States and Japan. , and lte table area, found

There are three categories:

Iphone7/ iphone7 plus

(1) a1660/a161six-mode full-frequency netcom.

(2)A 1778/AA 1784 international version of four-mode dual-mode communication.

(3) A1779/A1785 cdma supports CDMA six-mode full netcom.